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Table 1 Parameters describing the transmissibility and pathogenicity of influenza virus.

From: A 'small-world-like' model for comparing interventions aimed at preventing and controlling influenza pandemics

Parameter

Baseline values

Sources

Infectivity profiles

 

Adapted from [13], and consistent (to a scale factor) with [10,15–21]

   Latent period

0.5 days

 

   Peak

2.5–3 days

 

   Duration

<10 days

 

Relative susceptibility

 

[5,13]

   Children (0–18 years)

1.15

 

   Adults (19–65 years)

1

 

   Elderly (>65 years)

1

 

Proportion of asymptomatic individuals (children, adults, elderly people)

30%

[48]; also used in [6]

Relative infectivity of asymptomatic individuals

50%

Assumption also used in [6]